White-eyed Vireo: Medium-sized, secretive vireo with olive-green upperparts, and white underparts with yellow sides and flanks. Spectacles are pale yellow and iris is white. Wings are dark with two white bars. Legs and feet are gray. Flight is fast and direct on short, rounded wings.

Yellow-throated Vireo: Large vireo, olive-gray upperparts, gray rump. Throat and breast are bright yellow, belly is white. Eyes are dark. Spectacles are yellow. Wings are dark with two white bars. Legs and feet are black. It is the most colorful member of its family in North America.

Philadelphia Vireo: Medium vireo with olive-green upperparts and yellow-washed to yellow underparts. The head has a gray cap, dark eyes, and white-bordered black eye-line. Wings are olive-green with very faint wing-bars. Undertail coverts yellow. First discovered near Philadelphia in 1842.

Worm-eating Warbler: Medium-sized, ground nesting warbler with olive-gray upperparts and pale yellow underparts. Yellow head has black crown stripes and eye-lines. As its name suggests, it eats a steady diet of moth caterpillars and worms. It usually forages in understory vegetation and dead leaves.

Golden-winged Warbler: Small warbler with gray upperparts and white underparts. Face is white with black mask and throat, and head has a yellow crown. Wings are gray with large yellow patches. Its flight is weak and fluttering, alternates rapid wing beats with periods of wings drawn to its sides.

Blue-winged Warbler: Medium-sized warbler with olive-green upperparts and yellow underparts. The head is yellow with thin black eye line and olive-green nape. Wings are dark gray with two white bars. When its range overlaps with the Golden-winged Warrbler, it often interbreeds with or displaces it.

Prothonotary Warbler: Medium-sized warbler with olive-green back and blue-gray wings and tail. Head, neck, and underparts are vibrant yellow and the undertail coverts are white. Bill, legs and feet are black. The only eastern warbler that nests in tree hollows. Once called the Golden Swamp Warbler.

Connecticut Warbler: Large ground-walking warbler, olive-gray upperparts, dull yellow underparts. Head has a slate-gray hood and bold white eye-ring. It was named for the state where it was first discovered, where it is an uncommon migrant. Sometimes called Swamp Warbler.

Mourning Warbler: Medium-sized warbler with an olive-green back, wings, tail, and gray hood. The underparts are yellow and the upper breast is black. It's named for the way its dark breast and hood resemble a person in mourning. It is one of the latest spring migrants of all North American warblers.

Kentucky Warbler: Medium, ground-dwelling warbler with bright olive-green upperparts and yellow underparts. Head has black mask and sideburns and thick yellow eyebrows. Bill is black, legs and feet are pink. Secretive, heard rather than seen. It is named for the state where it was first discovered.

Hooded Warbler: Medium warbler, olive-green upperparts, bright yellow underparts. Head has black hood, and yellow face. The eyes are large and dark and the tail is often spread, displaying large white spots. Bill is black, legs and feet are pink. Makes short, direct flights on rapidly beating wings.

Cape May Warbler: Small warbler, olive-yellow upperparts, thick, black streaks on yellow underparts. Bright yellow face, chestnut-brown ear patch, black crown. Wings are dark with large white patches. First collected in Cape May, New Jersey in 1811 and not seen again in that area for over 100 years.

Pine Warbler: Medium warbler with plain olive-gray upperparts, yellow throat and breast, blurry-streaked sides, and white belly and undertail coverts. Wings are gray with two white bars. It is the only warbler that eats large quantities of seeds, usually pine. One of the earliest breeding warblers.